In Croatia, Mušak families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec area and in Zagreb. In Pogančec in Vrbovec area every eighth inhabitant had the family name Mušak.
Prevalence
About 40 people with faimily name Mušak live in Croatia today, in 11 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in threee Croatian counties, threee cities and threee other places, mostly in Pogancec in Vrbovec area (20), Vrbovec (<10), Celine (<5), Veliki Raven (<5), and in Zagreb (<5).